18882066568387 has 16 divisors (see below), whose sum is σ = 20604483936000. Its totient is φ = 17160627687840.

The previous prime is 18882066568381. The next prime is 18882066568399. The reversal of 18882066568387 is 78386566028881.

It is a cyclic number.

It is not a de Polignac number, because 18882066568387 - 2⁴³ = 10085973546179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18882066568381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 731311564 + ... + 731337382.

It is an arithmetic number, because the mean of its divisors is an integer number (1287780246000).

Almost surely, 2^{18882066568387} is an apocalyptic number.

18882066568387 is a deficient number, since it is larger than the sum of its proper divisors (1722417367613).

18882066568387 is a wasteful number, since it uses less digits than its factorization.

18882066568387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42186.

The product of its (nonzero) digits is 1486356480, while the sum is 76.

The spelling of 18882066568387 in words is "eighteen trillion, eight hundred eighty-two billion, sixty-six million, five hundred sixty-eight thousand, three hundred eighty-seven".